diff --git a/src/LoginPage.js b/src/LoginPage.js
index e9aa857..7bbc749 100644
--- a/src/LoginPage.js
+++ b/src/LoginPage.js
@@ -5,7 +5,7 @@ import styles from './LoginPage.module.css';
 import { useSelector, useDispatch } from 'react-redux'
 import { setFlushToken, setAccessToken, setUserInfo, setAgreeAgreement } from "./business/userSlice.js"
 import logo from './assets/logo.png';
-import { Container, Tab, Box, Snackbar, Button } from '@mui/material';
+import { Container, Tab, Box, Snackbar, Alert, Button } from '@mui/material';
 import TabPanel from '@mui/lab/TabPanel';
 import { TabList } from '@mui/lab';
 import TabContext from '@mui/lab/TabContext';
@@ -35,6 +35,8 @@ export default function () {
     const dispatch = useDispatch();
     const [cookies, setCookie] = useCookies(['accessToken']);
     const [value, setValue] = useState("1");
+    const [message, setMessage] = useState("");
+    const [openTooltip, setOpenTooltip] = useState(false);
     const account = useSelector(state => state.user.account)
     const password = useSelector(state => state.user.password)
     const verificationCode = useSelector(state => state.user.verificationCode)
@@ -44,6 +46,10 @@ export default function () {
         setValue(newValue);
     };
 
+    const handleTooltipClose = () => {
+        setOpenTooltip(false);
+    };
+
     const onAgreeChange = (event) => {
         dispatch(setAgreeAgreement(!agreeAgreement));
     }
@@ -78,6 +84,8 @@ export default function () {
             })
         }).catch(error => {
             console.log(error)
+            setMessage(error);
+            setOpenTooltip(true);
         });
     };
 
@@ -123,12 +131,13 @@ export default function () {
             </ThemeProvider >
             {/* <Button variant="contained" onClick={debug_test}>测试</Button> */}
         </div>
-        {/* <Snackbar
-            anchorOrigin={{ vertical, horizontal }}
-            open={open}
-            onClose={handleClose}
-            message="I love snacks"
-            key={vertical + horizontal}
-        /> */}
+        <Snackbar
+            anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
+            open={openTooltip}
+            autoHideDuration={3500}
+            onClose={handleTooltipClose}
+        >
+            <Alert severity="error">{message}</Alert>
+        </Snackbar>
     </div>
 }
\ No newline at end of file
diff --git a/src/business/request.js b/src/business/request.js
index 43858f1..7c22f37 100644
--- a/src/business/request.js
+++ b/src/business/request.js
@@ -206,10 +206,11 @@ const yzs = {
                 "Access-Control-Allow-Origin": "*",
             },
         }).then(response => response.json()).then((json) => {
-            console.log("flushToken: ", json.result.flushToken);
+            if (json.returnCode != "uc_0000") {
+                throw json.message;
+            }
+            // console.log("flushToken: ", json.result.flushToken);
             return json.result.flushToken;
-        }).catch(error => {
-            console.log(error);
         });
     },
     send_phone_code: function (udid, userCell) {
diff --git a/src/business/utilities.js b/src/business/utilities.js
index 14f17d1..8ca6a83 100644
--- a/src/business/utilities.js
+++ b/src/business/utilities.js
@@ -33,4 +33,18 @@ function audioWaveData(url, interval) {
         });
 }
 
-export { sampleInterval, audioWaveData };
\ No newline at end of file
+function validatePhoneNumber(phoneNumber) {
+    if (phoneNumber.length !== 11) {
+        return false;
+    }
+    let reg = /^1\d{10}$/;
+    return reg.test(phoneNumber);
+}
+
+function textHintOfValidatePhoneNumber(phoneNumber) {
+    if (validatePhoneNumber(phoneNumber)) return "";
+    if (phoneNumber.length === 0) return "请输入手机号码"
+    return "请输入正确的手机号码";
+}
+
+export { sampleInterval, audioWaveData, validatePhoneNumber, textHintOfValidatePhoneNumber };
\ No newline at end of file
diff --git a/src/components/DynamicCodeForm.js b/src/components/DynamicCodeForm.js
index df58df3..8501f32 100644
--- a/src/components/DynamicCodeForm.js
+++ b/src/components/DynamicCodeForm.js
@@ -6,10 +6,12 @@ import { useSelector, useDispatch } from 'react-redux'
 import { setAccount, setVerificationCode } from "../business/userSlice.js"
 import yzs from "../business/request.js";
 import Agreement from "./Agreement.js";
+import { validatePhoneNumber, textHintOfValidatePhoneNumber } from "../business/utilities.js"
 
 export default function ({ udid, agreeAgreement, onAgreeChange }) {
     const dispatch = useDispatch();
     const code = useRef(null);
+    const [firstEnter, setFirstEnter] = useState(true);
     const [seconds, setSeconds] = useState(0);   // 倒计时
 
     const account = useSelector(state => state.user.account)
@@ -17,7 +19,10 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
 
     const handleInputChange = (event) => {
         const { name, value } = event.target;
-        if (name === 'username') dispatch(setAccount(value));
+        if (name === 'username') {
+            dispatch(setAccount(value));
+            if (firstEnter) setFirstEnter(false);
+        }
         if (name === 'password') dispatch(setVerificationCode(value));
     };
 
@@ -50,11 +55,15 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
         <TextField
             name="username"
             autoComplete="username"
-            label="请输入手机号码"
+            hiddenLabel
+            placeholder="请输入手机号码"
             variant="outlined"
             value={account}
             color="primary"
+            size="small"
             fullWidth
+            error={firstEnter ? false : !validatePhoneNumber(account)}
+            helperText={firstEnter ? "" : textHintOfValidatePhoneNumber(account)}
             onChange={handleInputChange}
             InputProps={{
                 startAdornment: (
@@ -63,16 +72,22 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
                     </InputAdornment>
                 ),
             }}
+            sx={{
+                minHeight: 64,
+            }}
         />
         <TextField
-            // sx={{ paddingTop: 4 }}
+            sx={{
+                minHeight: 50,
+            }}
+            hiddenLabel
             fullWidth
-            margin="normal"
             name="password"
-            label="请输入验证码"
-            type="password"
+            placeholder="请输入验证码"
+            type="text"
             autoComplete="current-password"
             variant="outlined"
+            size="small"
             value={verificationCode}
             onChange={handleInputChange}
             InputProps={{
@@ -96,6 +111,7 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
             fullWidth
             disabled={!agreeAgreement}
             sx={{
+                marginTop: 1.5,
                 backgroundColor: "#FF595A",
                 '&:hover': {
                     backgroundColor: '#FF595A',
diff --git a/src/components/PasswordForm.js b/src/components/PasswordForm.js
index eba1fbd..8402d95 100644
--- a/src/components/PasswordForm.js
+++ b/src/components/PasswordForm.js
@@ -1,18 +1,23 @@
-import React from 'react';
+import React, { useState } from 'react';
 import { Container, TextField, Button, InputAdornment } from "@mui/material";
 import PhoneIphoneIcon from '@mui/icons-material/PhoneIphone';
 import LockIcon from '@mui/icons-material/Lock';
 import { useSelector, useDispatch } from 'react-redux'
 import { setAccount, setPassword } from "../business/userSlice.js"
 import Agreement from './Agreement.js';
+import { validatePhoneNumber, textHintOfValidatePhoneNumber } from "../business/utilities.js"
 
 export default function ({ agreeAgreement, onAgreeChange }) {
     const dispatch = useDispatch();
     const account = useSelector(state => state.user.account)
     const password = useSelector(state => state.user.password)
+    const [firstEnter, setFirstEnter] = useState(true);
     const handleInputChange = (event) => {
         const { name, value } = event.target;
-        if (name === 'username') dispatch(setAccount(value));
+        if (name === 'username') {
+            dispatch(setAccount(value));
+            if (firstEnter) setFirstEnter(false);
+        }
         if (name === 'password') dispatch(setPassword(value));
     };
 
@@ -25,8 +30,12 @@ export default function ({ agreeAgreement, onAgreeChange }) {
         <TextField
             name="username"
             autoComplete="username"
-            label="请输入手机号码"
+            hiddenLabel
+            placeholder="请输入手机号码"
             variant="outlined"
+            size="small"
+            error={firstEnter ? false : !validatePhoneNumber(account)}
+            helperText={firstEnter ? "" : textHintOfValidatePhoneNumber(account)}
             value={account}
             fullWidth
             onChange={handleInputChange}
@@ -37,16 +46,22 @@ export default function ({ agreeAgreement, onAgreeChange }) {
                     </InputAdornment>
                 ),
             }}
+            sx={{
+                minHeight: 64,
+            }}
         />
         <TextField
-            // sx={{ paddingTop: 4 }}
+            sx={{
+                minHeight: 50,
+            }}
             fullWidth
-            margin="normal"
             name="password"
-            label="请输入密码"
+            hiddenLabel
+            placeholder="请输入密码"
             type="password"
             autoComplete="current-password"
             variant="outlined"
+            size="small"
             value={password}
             onChange={handleInputChange}
             InputProps={{
@@ -64,6 +79,7 @@ export default function ({ agreeAgreement, onAgreeChange }) {
             fullWidth
             disabled={!agreeAgreement}
             sx={{
+                marginTop: 1.5,
                 backgroundColor: "#FF595A",
                 '&:hover': {
                     backgroundColor: '#FF595A',
diff --git a/src/components/ProgressBar.js b/src/components/ProgressBar.js
index 2338e1f..c7431e8 100644
--- a/src/components/ProgressBar.js
+++ b/src/components/ProgressBar.js
@@ -58,28 +58,32 @@ const paintCanvas = ({
     canvas, waveformData, duration, scrollLeft, leftPadding, canvasHeight, pointWidth, pointMargin, interval
 }) => {
     // console.log("paintCanvas", duration, canvasHeight, canvas.width, scrollLeft);
-    const context = canvas.getContext('2d');
-    context.save();
-    context.clearRect(0, 0, canvas.width, canvas.height);
-    context.translate(leftPadding, 0);;
+    try {
+        const context = canvas.getContext('2d');
+        context.save();
+        context.clearRect(0, 0, canvas.width, canvas.height);
+        context.translate(leftPadding, 0);;
 
-    drawText(context, duration, interval);    // 画刻度尺
+        drawText(context, duration, interval);    // 画刻度尺
 
-    waveformData.forEach((p, i) => {
-        context.beginPath()
-        const coordinates = pointCoordinates({
-            index: i,
-            pointWidth,
-            pointMargin,
-            canvasHeight,
-            maxAmplitude: canvasHeight - 30,    // 留出空间画时间轴
-            amplitude: p,
-        })
-        context.rect(...coordinates)
-        context.fillStyle = (coordinates[0] <= scrollLeft) ? '#FF595A' : '#ABB5BC'
-        context.fill()
-    });
-    context.restore();
+        waveformData.forEach((p, i) => {
+            context.beginPath()
+            const coordinates = pointCoordinates({
+                index: i,
+                pointWidth,
+                pointMargin,
+                canvasHeight,
+                maxAmplitude: canvasHeight - 30,    // 留出空间画时间轴
+                amplitude: p,
+            })
+            context.rect(...coordinates)
+            context.fillStyle = (coordinates[0] <= scrollLeft) ? '#FF595A' : '#ABB5BC'
+            context.fill()
+        });
+        context.restore();
+    } catch (error) {
+        console.log(error);
+    }
 }
 
 // duration ms